SKU# 14443 | MPN: M2-SUB-FP33″ Big mouth front pipe reduces to 2.5″ at the bottom flange so a std fire ring kit can be fitted retaining that all important low down torque. USE WITH ASB9501 or STD system.SIZE : 3 STEPPED 2.5″ AT FLANGESPECIFICATION : Sport – NO CATCOLOUR : PolishedMATERIAL : 304 Stainless SteelMODEL YEAR : 1993-2000 Impreza WRX STI Turbo